87099845 has 8 divisors (see below), whose sum is σ = 119451264. Its totient is φ = 59725584.

The previous prime is 87099841. The next prime is 87099851. The reversal of 87099845 is 54899078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87099845 - 2² = 87099841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87099793 and 87099802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87099841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244249 + ... + 1244318.

It is an arithmetic number, because the mean of its divisors is an integer number (14931408).

Almost surely, 2^87099845 is an apocalyptic number.

It is an amenable number.

87099845 is a deficient number, since it is larger than the sum of its proper divisors (32351419).

87099845 is a wasteful number, since it uses less digits than its factorization.

87099845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488579.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 87099845 is about 9332.7297721513. The cubic root of 87099845 is about 443.2742061585.

The spelling of 87099845 in words is "eighty-seven million, ninety-nine thousand, eight hundred forty-five".